Warning: file_put_contents(/www/wwwroot/ppbbu/62383.com/cache/ae0751af6f52089c5afb711fa450d375.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/62383.com/index.php on line 55 Derrickman是什么意思，Derrickman的翻译，Derrickman音标、读音、用法和例句_流逝汉英词典
The Driller and the Derrickman must be able to communicate at all times when the Derrickman is working on the derrick board. 儅井架工在二層台工作時，司鑽和井架工一定要能時刻保持聯系。